Protective grill for loudspeaker



FIG. 1 is a front elevation view of a protective grill for loudspeaker showing our new design;

FIG. 2 is a rear elevation view thereof, opposite the view of FIG. 1;

FIG. 3 is a side elevation view thereof;

FIG. 4 is another side elevation view thereof, opposite the view of FIG. 3;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof, opposite the view of FIG. 5; and,

FIG. 7 is a front perspective view thereof.

The broken lines depict portions of the protective grill for loudspeaker that form no part of the claimed design. 

CLAIM The ornamental design for a protective grill for loudspeaker, as shown and described. 